<template>
    <el-form :inline="true" class="demo-form-inline" :model="cForm">
        <el-form-item label="一级分类">
            <el-select placeholder="请选择" v-model="cForm.category1Id" @change="handler1" :disabled="show">
                <el-option :label="c1.name" :value="c1.id" v-for="(c1, index) in list1" :key="c1.id"></el-option>
            </el-select>
        </el-form-item>
        <el-form-item label="二级分类">
            <el-select placeholder="请选择" v-model="cForm.category2Id" @change="handler2" :disabled="show">
                <el-option :label="c2.name" :value="c2.id" v-for="(c2, index) in list2" :key="c2.id"></el-option>
            </el-select>
        </el-form-item>
        <el-form-item label="三级分类">
            <el-select placeholder="请选择" v-model="cForm.category3Id" @change="handler3" :disabled="show">
                <el-option :label="c3.name" :value="c3.id" v-for="(c3, index) in list3" :key="c3.id"></el-option>
            </el-select>
        </el-form-item>
    </el-form>
</template>

<script>
export default {
    name: 'CategorySelect',
    data() {
        return {
            list1: [],
            list2: [],
            list3: [],
            cForm: {
                category1Id: '',
                category2Id: '',
                category3Id: '',
            }
        }
    },
    props: ['show'],
    mounted() {
        this.getCategory1List()
    },
    methods: {
        async getCategory1List() {
            let res = await this.$API.attr.reqCategory1List()
            if (res.code == 200) {
                this.list1 = res.data
            }
        },
        async handler1() {
            this.list2 = []
            this.list3 = []
            this.cForm.category2Id = ''
            this.cForm.category3Id = ''
            const { category1Id } = this.cForm
            let res = await this.$API.attr.reqCategory2List(category1Id)
            if (res.code == 200) {
                this.list2 = res.data
            }
            this.$emit('getCategoryId', { categoryId: category1Id, level: 1 })
        },
        async handler2() {
            this.list3 = []
            this.cForm.category3Id = ''
            const { category2Id } = this.cForm
            let res = await this.$API.attr.reqCategory3List(category2Id)
            if (res.code == 200) {
                this.list3 = res.data
            }
            this.$emit('getCategoryId', { categoryId: category2Id, level: 2 })
        },

        handler3() {
            const { category3Id } = this.cForm
            this.$emit('getCategoryId', { categoryId: category3Id, level: 3 })
        }
    }
}
</script>

<style></style>